Add upper bounds for base, containers, ghc, etc.
Add upper bounds for base, containers, ghc, etc.

athanclark/stackage,creichert/stackage,fimad/stackage,ygale/stackage,spencerjanssen/stackage,lwm/stackage,peti/stackage,Shimuuar/stackage,stackbuilders/stackage,mrkkrp/stackage,clinty/stackage,Daniel-Diaz/stackage,garetxe/stackage,phaazon/stackage,fpco/stackage,mgajda/stackage,mstksg/stackage,michalkonecny/stackage,jonschoning/stackage,wereHamster/stackage,iand675/stackage,asr/stackage,int-index/stackage,k0ral/stackage,GregorySchwartz/stackage,ethercrow/stackage,simonmichael/stackage,soenkehahn/stackage,massysett/stackage